| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhenkun | China national standards | MT | 1000.38 | USD | 20251209 |
| Shandong Jinwen Chem | China national standards | MT | 1215.15 | USD | 20251209 |
| Shandong Yihe Chem | China national standards | MT | 1073.86 | USD | 20251209 |
| Jinan Aochen Chem | China national standards | MT | 1554.27 | USD | 20251209 |
| Nanjing Baitu Chem | China national standards | MT | 1483.62 | USD | 20251209 |
| Shandong Jinling Chem | China national standards | MT | 1412.97 | USD | 20251209 |
| Shandong Jinmao | China national standards | MT | 1073.86 | USD | 20251209 |
| Shandong Langchem | China national standards | MT | 1398.84 | USD | 20251209 |
| Shandong Aite Chem | China national standards | MT | 1455.36 | USD | 20251209 |
| Dongying Huatai Chem | China national standards | MT | 1102.12 | USD | 20251209 |